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parallel

List of commands for parallel:

- parallel
parallel:tldr:0a7ea parallel: Convert JPG images to PNG using replacement strings.

$ parallel convert {} {.}.png ::: *.jpg

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- ${args}
parallel:tldr:2f298 parallel: Parallel xargs, cram as many args as possible onto one command.

$ ${args} | parallel -X ${command}

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- parallel
parallel:tldr:44656 parallel: Gzip several files at once, using all cores.

$ parallel gzip ::: ${file1} ${file2} ${file3}

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- ls
parallel:tldr:7ae52 parallel: Read arguments from `stdin`, run 4 jobs at once.

$ ls *.txt | parallel -j4 gzip

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- cat
parallel:tldr:86451 parallel: Break `stdin` into ~1M blocks, feed each block to `stdin` of new command.

$ cat ${big_file-txt} | parallel --pipe --block 1M ${command}

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- parallel
parallel:tldr:c3284 parallel: Run on multiple machines via SSH.

$ parallel -S ${machine1},${machine2} ${command} ::: ${arg1} ${arg2}

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